AKG K 512 MKII vs Koss i150: 14 facts in comparison

1. highest frequency

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.

20000Hz

Sony MDR-Z1R: 120000Hz

20000Hz

2. lowest frequency

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.

16Hz

Sony MH1CBLK: 1Hz

10Hz

3. has sound isolation/passive noise reduction

The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.

AKG K 512 MKII

Koss i150

45% have it

4. impedance

Impedance is the device’s electrical resistance to the current being pushed through it. The lower the impedance, the easier it is to get higher volume and requires less power.

32 Ohms

Flips Solo 2 Social: 4 Ohms

8 Ohms

5. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

109dB/mW

AKG K553 Pro: 144dB/mW

102dB/mW

6. no battery needed

This device works without batteries. It weighs less and you don't have to worry about recharging or replacing the battery.

AKG K 512 MKII

Koss i150

69% have it

7. has an in-line control panel

There is a control panel on the cable, so you can easily operate the device without having to interact with it.

AKG K 512 MKII

Koss i150

46% have it

8. has stereo speakers

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.

AKG K 512 MKII

Koss i150

76% have it

9. has included ear pads

Allows you to change ear pads without buying new ones.

AKG K 512 MKII

Koss i150

42% have it

10. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.

AKG K 512 MKII

Koss i150

63% have it

11. has a 3.5mm male connector

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.

AKG K 512 MKII

Koss i150

83% have it

12. has an on-ear form

This device comfortably rests on top of your outer ears. As it doesn't block out everything from the outside world, it's preferred in places like office environments and recommended for outdoor activities.

AKG K 512 MKII

Koss i150

23% have it

13. cable length

A long cable ensures more freedom of movement.

2.5m

Pioneer SE-A1000: 6m

1.2m

14. has an in-ear form

The in-ear device is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. It is inserted in the ear canal itself and blocks out a lot of environmental noise. It has stronger bass tones and is unlikely to fall out of the ear.

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